The human monster and hero hunter Garo cranks up the intensity of his destruction. As the damage increases, throwing the hero world into turmoil, Saitama decides it\'s the perfect time to develop an interest in martial arts and sneaks into a combat tournament. Meanwhile, the Class-S hero Metal Bat takes an assignment guarding a Hero Association executive and his son, and it isn\'t long before trouble appears! For teen audiences. (W) One (A/CA) Yusuke Murata\"